Pagination confusing clients

Hi,
some of my clients pointed that the pagination in our shop is very confusing and not logical.
For example we have a category page with 19 sites, but the pagination on desktop shows only 5 of them, without any information that there are more pages. See attached screenshot.
But on mobile it is even worse! it shows only 1 page, which is a total disaster because people think there is only one page with the products. See attached screenshot. UX is a disaster here and people leave the shop - literally.
Please could we have some solution here like on your old forum based on Kunena? there you have some first pages listed in the pagination and at the end the last page number which clearly shows how many pages you have.
#For me great would be 1,2,3,..of 12 in the pagination.
I have found some old topics where you proposed some custom CSS to show 1,2,3...5 but showing the 5th page as a last one is also confucing for the clients. I just need at the end to be able to show the number of all pages. Actually when I look at any other e-commerce or Blog system, they all have the pagination similiar to the one we need... none of them have pagination like yours :D
Could you help with it please?
Lukas
Could you help me with this?

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